#include "apue.h"

int main(int argc, char* argv[])
{
    if (argc <= 1) {
        printf("usage: ./a.out /etc/passwd /etc /dev/log /dev/tty /dev/cdrom /dev/sr0");
    }
    int i;
    struct stat buf;
//    const char* ptr;
    char const *ptr;

    for (i = 1; i < argc; i++) {
        printf("%s: ", argv[i]);
        if (lstat(argv[i], &buf) < 0) {
            err_ret("lstat error");
            continue;
        }
        if (S_ISREG(buf.st_mode))
            ptr = "regular";
        else if (S_ISDIR(buf.st_mode))
            ptr = "direcotry";
        else if (S_ISCHR(buf.st_mode))
            ptr = "character special";
        else if (S_ISBLK(buf.st_mode))
            ptr = "block special";
        else if (S_ISFIFO(buf.st_mode))
            ptr = "fifo";
        else if (S_ISLNK(buf.st_mode))
            ptr = "symbolic link";
        else if (S_ISSOCK(buf.st_mode))
            ptr = "socket";
        else
            ptr = "** unknown mode **";

        printf("%s\n", ptr);
    }

    exit(0);
}
